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二盃口りゃんぺーこーは門前めんぜんでしか成せい立りつしない役やくです。

Span Details

二盃口りゃんぺーこー

two identical sequences twice; ryanpeikou

門前めんぜん

concealed hand; not having called any tiles

noun

location, means, cause, or scope marker

nothing but; only, with negation

成せい立りつ

being valid; holding true; applying

noun, suru verb

light/support verb with a noun or noun-like phrase

-> するgrammar

negative auxiliary

scoring combination; winning hand; yaku